package com.hwx.establish.common.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import java.lang.reflect.Method;


/**
 * redis配置类
 * @author dell
 *
 */
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

    private static Logger logger = LoggerFactory.getLogger(RedisConfig.class);

    // 生产KEY策略
    @Override
    @Bean
    public KeyGenerator keyGenerator() {
        return new KeyGenerator() {
            @Override
            public Object generate(Object arg0, Method arg1, Object... arg2) {
                StringBuilder sb = new StringBuilder();
                sb.append(arg0.getClass().getName());
                sb.append(arg1.getName());
                for (Object obj : arg2) {
                    sb.append(obj.toString());
                }
                return sb.toString();
            }
        };
    }

    // 管理缓存
    // @SuppressWarnings("rawtypes")
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();
        return RedisCacheManager
                .builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
                .cacheDefaults(redisCacheConfiguration).build();
    }

    // redisTemplate配置
    @Bean
    public RedisTemplate<String, String> redisTemplate(
            RedisConnectionFactory factory) {
        StringRedisTemplate template = new StringRedisTemplate(factory);
        @SuppressWarnings({ "rawtypes", "unchecked" })
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(
                Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        template.setValueSerializer(jackson2JsonRedisSerializer);
        template.afterPropertiesSet();
        return template;
    }

    // 数据库连接池
    // @Bean
    // public JedisConnectionFactory redisConnectionFactory() {
    // JedisConnectionFactory factory = new JedisConnectionFactory();
    // factory.setHostName(host);
    // factory.setPort(port);
    // factory.setPassword(password);
    // factory.setTimeout(timeout); //设置连接超时时间
    // return factory;
    // } 　　 不配置端口默认为6379

    /*
     * @Autowired RedisTemplate redisTemplate;
     *
     * @Bean public ValueOperations<String,Object> vos(){ return
     * redisTemplate.opsForValue(); }
     */

}